package com.weishenai.customerassistant.security.handler;

import cn.hutool.json.JSONUtil;
import com.weishenai.customerassistant.common.Result;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.web.authentication.AuthenticationFailureHandler;
import org.springframework.stereotype.Component;

import javax.servlet.ServletException;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * @Auther: weishenai
 * @Date: 2021/11/27/14:23
 * @Description: 认证失败处理
 */
@Component
public class LoginFailureHandler implements AuthenticationFailureHandler {
    @Override
    public void onAuthenticationFailure(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, AuthenticationException e) throws IOException, ServletException {
        httpServletResponse.setContentType("application/json;charset=UTF-8");
        ServletOutputStream outputStream = httpServletResponse.getOutputStream();
        Result result = Result.failed("Bad credentials".equals(e.getMessage()) ? "用户名或密码不正确" : e.getMessage());
        outputStream.write(JSONUtil.toJsonStr(result).getBytes("UTF-8"));
        outputStream.flush();
        outputStream.close();
    }
}
